Imprint from colophon (Q8 recto); most copies have the misprint "Argentoragi"
Text printed in double columns; 49 of the 50 maps are numbered, printed on double leaves, and many have text on recto of initial leaf and some also have text on verso of final leaf; the final map is unnumbered and has no text. The maps, except for the "Quinta Asie Tabula" are from the same blocks as the 1522 edition
Title within an architectural woodcut border
"Index Ptolemaei" has separate half title; binding practice as to placement of the Index before or after the maps varies
Boston Public Library copy gift of Thomas G. Bradford. A 4 page note pasted into the front cover describes research into the naming of America, and how maps included in this atlas are examples of the earliest maps describing America